Is it easier to get a Fiancee visa (K-1) or a Spouse visa (IR1 or CR1)?

A spouse petition, but note that deciding between the two is something you should do after a thorough discussion with an immigration attorney to go...

My k1 visa get denied. send back for review and revocation reason of denied is based on evidence of document & interview.

You can try to overcome the reason for the denial (wait for the decision from USCIS, and then refile the K1). If you want to know how to better...

Ds 160 form for K-1 visa?

An attorney can help. You can see the process and all the forms for the K1 on this link:...

Affidavit of support for K-1 visa..

I agree with my colleagues. This video guide should help you figure our what you'll need in the affidavit of support:...

When to file I134 Affidavit Of Support

You file it at the NVC stage. Check the following link which shows you how the K1 process works and guides you on what you need to do at the NVC...

Going out of status (L1B). Is it fine to file for B2 under medical reasons to extend my US stay?

B2 extensions based on medical grounds require you to meet very specific elements. You may want to review the following free guide to get a better...

If she enters on B2 then you can file a COS to L2. You may want to use this guide to help in submitting a well documented B2:...

When I file form I-539 to extend B2 visa for my parents, do I need to provide form I-134?

It can help. If you want to know how to fully document your visitor visa case, check out this do it yourself guide (of course, hiring an attorney...

Converted to B2 (visitor visa) from H1 . Visa valid till 04/20 . Wife is in india. Can i get her to US on B2 visa till 04/20?

The consulate may be a bit picky and look carefully at the case, but if she can prove non-immigrant intent, and they are convinced she will stay...

Can I sponsor my parents and in laws for visitor visa on valid I94?

You don't really formally "sponsor" but you can help them by submitting an invitation letter and an affidavit of support. If you're interested in...